Abstract
The aim of this study was to investigate the influence of polyethylene glycol) surface-active coating on the magnetic and thermal properties of biocompatible magnetic liquids. The magnetization of the samples was measured using VSM method. From the magnetization data the distribution function of the size of the magnetite particles was determined. Heating ability of the PEG-stabilized magnetic fluids was determined by the calorimetric measurement of the heating rate at 750 kHz frequency and 0.52 kA/m field to evaluate the possibilities of their successful use in hyperthermia treatment. The experimental data of the heating rate were compared with theoretical expression derived by Rosensweig.
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